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Material definations

User: "Altair Forum User"
Altair Forum User
Altair Employee
Updated by Altair Forum User

I am doing nonlinear analysis, so I need an information regarding material definations.

 

Do I need to define ture stress-strain values or engineering stress-strain values are enough?

will Hypermesh convert engineering data to true values?

 

Please hlep me on this.

 

Thanks

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